# git rev-parse -q --verify 07e0887302450a62f51dba72df6afb5fabb23d1c^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
# git rev-parse -q --verify 07e0887302450a62f51dba72df6afb5fabb23d1c^{commit}
07e0887302450a62f51dba72df6afb5fabb23d1c
# git checkout -q -f -B kisskb 07e0887302450a62f51dba72df6afb5fabb23d1c
# git clean -qxdf
# < git log -1
# commit 07e0887302450a62f51dba72df6afb5fabb23d1c
# Merge: 934291ffb638 4169e889e588
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Oct 29 13:02:52 2020 -0700
# 
#     Merge tag 'fallthrough-fixes-clang-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
#     
#     Pull fallthrough fix from Gustavo A. R. Silva:
#      "This fixes a ton of fall-through warnings when building with Clang
#       12.0.0 and -Wimplicit-fallthrough"
#     
#     * tag 'fallthrough-fixes-clang-5.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
#       include: jhash/signal: Fix fall-through warnings for Clang
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux-ld --version
# < git log --format=%s --max-count=1 07e0887302450a62f51dba72df6afb5fabb23d1c
# < make -s -j 24 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux-  sun3_defconfig

WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES
  Depends on [n]: DISCONTIGMEM [=n] || NUMA
  Selected by [y]:
  - SINGLE_MEMORY_CHUNK [=y] && MMU [=y]

WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES
  Depends on [n]: DISCONTIGMEM [=n] || NUMA
  Selected by [y]:
  - SINGLE_MEMORY_CHUNK [=y] && MMU [=y]
# < make -s -j 24 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux-  help
# make -s -j 24 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux-  olddefconfig

WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES
  Depends on [n]: DISCONTIGMEM [=n] || NUMA
  Selected by [y]:
  - SINGLE_MEMORY_CHUNK [=y] && MMU [=y]

WARNING: unmet direct dependencies detected for NEED_MULTIPLE_NODES
  Depends on [n]: DISCONTIGMEM [=n] || NUMA
  Selected by [y]:
  - SINGLE_MEMORY_CHUNK [=y] && MMU [=y]
# make -s -j 24 ARCH=m68k O=/kisskb/build/linus_sun3_defconfig_m68k-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/m68k-linux/bin/m68k-linux-  
In file included from /kisskb/src/kernel/rcu/update.c:578:
/kisskb/src/kernel/rcu/tasks.h:710:13: warning: 'show_rcu_tasks_rude_gp_kthread' defined but not used [-Wunused-function]
 static void show_rcu_tasks_rude_gp_kthread(void) {}
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /kisskb/src/include/linux/printk.h:7,
                 from /kisskb/src/include/linux/kernel.h:16,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/rculist.h:10,
                 from /kisskb/src/include/linux/pid.h:5,
                 from /kisskb/src/include/linux/sched.h:14,
                 from /kisskb/src/fs/btrfs/extent-tree.c:6:
/kisskb/src/fs/btrfs/extent-tree.c: In function '__btrfs_free_extent':
/kisskb/src/include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 8 has type 'unsigned int' [-Wformat=]
 #define KERN_SOH "\001"  /* ASCII Start Of Header */
                  ^~~~~~
/kisskb/src/include/linux/kern_levels.h:10:19: note: in expansion of macro 'KERN_SOH'
 #define KERN_CRIT KERN_SOH "2" /* critical conditions */
                   ^~~~~~~~
/kisskb/src/fs/btrfs/ctree.h:3148:24: note: in expansion of macro 'KERN_CRIT'
  btrfs_printk(fs_info, KERN_CRIT fmt, ##args)
                        ^~~~~~~~~
/kisskb/src/fs/btrfs/extent-tree.c:3187:4: note: in expansion of macro 'btrfs_crit'
    btrfs_crit(info,
    ^~~~~~~~~~
/kisskb/src/fs/btrfs/extent-tree.c:3188:83: note: format string is defined here
 "invalid extent item size for key (%llu, %u, %llu) owner %llu, has %u expect >= %lu",
                                                                                 ~~^
                                                                                 %u
In file included from /kisskb/src/arch/m68k/include/asm/atomic.h:7,
                 from /kisskb/src/include/linux/atomic.h:7,
                 from /kisskb/src/include/linux/cpumask.h:13,
                 from /kisskb/src/include/linux/smp.h:13,
                 from /kisskb/src/include/linux/lockdep.h:14,
                 from /kisskb/src/include/linux/spinlock.h:59,
                 from /kisskb/src/include/linux/wait.h:9,
                 from /kisskb/src/include/linux/wait_bit.h:8,
                 from /kisskb/src/include/linux/fs.h:6,
                 from /kisskb/src/fs/ocfs2/file.c:13:
/kisskb/src/fs/ocfs2/file.c: In function 'ocfs2_file_write_iter':
/kisskb/src/arch/m68k/include/asm/cmpxchg.h:79:22: warning: value computed is not used [-Wunused-value]
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
                     ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/kisskb/src/fs/ocfs2/file.c:2419:3: note: in expansion of macro 'xchg'
   xchg(&iocb->ki_complete, saved_ki_complete);
   ^~~~
Completed OK
# rm -rf /kisskb/build/linus_sun3_defconfig_m68k-gcc8
# Build took: 0:02:32.030392